QuickView: Add labels and tabindex for accessibility.

chrome/browser/chromeos/extensions/file_manager/private_api_strings.cc

Index: chrome/browser/chromeos/extensions/file_manager/private_api_strings.cc
diff --git a/chrome/browser/chromeos/extensions/file_manager/private_api_strings.cc b/chrome/browser/chromeos/extensions/file_manager/private_api_strings.cc
index 16f0667d6e3a587b7bcc0bea30af9499aa0df943..2154de4416be5eef876edcc30ab2456232389ebc 100644
--- a/chrome/browser/chromeos/extensions/file_manager/private_api_strings.cc
+++ b/chrome/browser/chromeos/extensions/file_manager/private_api_strings.cc
@@ -542,6 +542,10 @@ bool FileManagerPrivateGetStringsFunction::RunSync() {
              IDS_FILE_BROWSER_QUICK_VIEW_NO_PLAYBACK_AVAILABLE);
   SET_STRING("QUICK_VIEW_NO_PREVIEW_AVAILABLE",
              IDS_FILE_BROWSER_QUICK_VIEW_NO_PREVIEW_AVAILABLE);
+  SET_STRING("QUICK_VIEW_OPEN_IN_NEW_BUTTON_LABEL",
+             IDS_FILE_BROWSER_QUICK_VIEW_OPEN_IN_NEW_BUTTON_LABEL);
+  SET_STRING("QUICK_VIEW_TOGGLE_METADATA_BOX_BUTTON_LABEL",
+             IDS_FILE_BROWSER_QUICK_VIEW_TOGGLE_METADATA_BOX_BUTTON_LABEL);
   SET_STRING("REFRESH_BUTTON_LABEL", IDS_FILE_BROWSER_REFRESH_BUTTON_LABEL);
   SET_STRING("REMOVABLE_DEVICE_DETECTION_TITLE",
              IDS_REMOVABLE_DEVICE_DETECTION_TITLE);